Finding the Fourth Proportional to 2,196.98, 3,031.79 and 1,202.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.98 : 3,031.79 = 1,202.25 : x
2. Step 2: Convert to fraction form
   2,196.98/3,031.79 = 1,202.25/x
3. Step 3: Cross multiply
   2,196.98x = 3,031.79 × 1,202.25
4. Step 4: Simplify right side
   2,196.98x = 3,644,969.53
5. Step 5: Solve for x
   x = 3,644,969.53/2,196.98
6. Step 6: Final answer
   x = 1,659.08